Year % of commercial service imports 1977 67.25461714048558 1978 61.30160951714486 1979 63.245869776482024 1980 59.0159961221522 1981 54.750244857982366 1982 51.16731517509727 1983 50.11210762331838 1984 46.697123101617485 1985 37.95534665099882 1986 46.37393033105713 1987 48.450786091293466 1988 43.838754858038605 1989 35.65371345560196 1990 43.215613382899626 1991 51.810344827586206 1992 45.48170276325616 1993 47.85603548502254 1994 50.03215016532979 1995 50.504078867867285 1996 42.23193874761667 1997 40.200333132322704 1998 41.27008280382702 1999 37.495552360230334 2000 39.423268489095435 2001 40.12958689181777 2002 37.85038108578866 2003 37.25587693478134 2004 41.63463896867365 2005 43.430648962455706 2006 43.29760527625385 2007 43.64785825774622 2008 45.89844718356162 2009 37.184033408550846 2010 41.58148331800669 2011 39.694905095246845 2012 39.852560499147835 2013 38.70564908046552 2014 37.209124676675366 2015 34.989461326581086 2016 32.06700068974551 2017 32.730200873388604 2018 31.11062353719597 2019 31.034099054853165 2020 34.78725571051541 2021 46.60133523841507 2022 47.63026919114048 2023 33.741207554051414